Procedure to splice yarns

Details Procedure to splice yarns Procedure to splice yarns

1984-03-23

1985-09-10

Watkins, Donald

Textiles: spinning, twisting, and twining

Apparatus and processes

Splicing

57202, 57261, B65H 6906, D01H 1500

Patent

active

045398020

ABSTRACT:
This invention concerns improvements to procedures to splice yarns (20-21), whether textile yarns or otherwise, the splice being obtained by coupling two single untwisted yarns (20-21) and by reconstituting the twists thereafter, by which improvements a part of the single yarns (20-21) is untwisted until twists of a sign opposite to the sign of the original twists have been imparted, such part then being coupled and reduced tails (220-221) of yarns being obtained, the coupled tract then being retwisted until a required twist has been imparted, the improvements envisaging that the reduced tails (220-221) are obtained after the fibers to be plucked and/or torn (42) have been made substantially parallel and after a substantially axial plucking and/or tearing action has been applied to such fibers (42), and that the taper (320-321) of the remaining reduced tails (220-221) reaches the neighborhood of the periphery of retwister rings (28), the resulting remaining tails (220-221) being controlled and positioned beside the yarns (20-21) before the action to impart the required retwisting is begun.

REFERENCES:
patent: 4170103 (1979-10-01), Norris et al.
patent: 4341066 (1982-07-01), Baumgartner
patent: 4386494 (1983-06-01), Felix
patent: 4407117 (1983-10-01), Garnsworthy

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